NORTH AMERICAN SHELLS. 



11 



15 



15 



15 



15 



40 

 20 

 20 

 20 

 25 



FAlMIIvY PETRICOIvID^. 



GKNUS PETRICOI.A. 



861 P. cardatoides, Cour. California.. 



862 P. " var. 



863 P. divaricata, D'Orb. Florida 



864 P. tenuis ? Ad. Lower California 



GKNUS RUPET.L.\RI.\. 



865 R. lamellifera, Conr. California 25 



GENUS SAXIDOMUS, 



866 S. Nuttalli, Conr. California 25 



867 S. " var. aratus, Gld. California 25 



FAMIIvY VENERID^. 



GENUS VENUS. 



868 V. mercenaria, Linn. large.Florida 50 



GENUS CRYPTOGRAMMA. 



869 C. flexuosus, Linn. Florida 



Subgenus Chioiie. 



870 C. gnidia, Brod. & Sowb. Lower Cal... 



871 C. succincta, Val. California... 



872 C. cancellata, Linn. Florida 



873 C. simillima, Shy. California 



874 C. •' var. undatella, Sby. L.Cal 



875 C. fluctifraga, Sby. California' 20 



Subgenus Psephis. 



876 P. tantilla, Gld. California 20 



GENUS CYTHERIA. 



877 C. affinis, Gmel. Florida 20 



878 C. " var. " 20 



Subgenus Transenella. 



879 T. conradiana, Dall. Florida 25 



880 T. Cubaniana, D'Orb. Florida 25 



Subgenus CaUista. 



881 C. gigantea, Chem. Florida 



882 C. maculata, Chein. 



883 C. incerta, De.sh. 

 S84 C. chioue, Mke. Lower Cal 



Subgen us Tivela . 



885 T. radiata, Sby. Lower California 25 



886 T. crassatelloides, Conr. " 35 



Stcbgenus, Amiantis. 



887 A. callosa, Cour. California 



Subgefius Gouldia 



888 G. cerina, Ad. Florida 



Subgenus Circe. 



889 C? marginata, Cpr. California 10 



GENUS DOSINA. 



890 D. ponderosa, Gray. Lower California. 



891 D. elegans, Conr. Florida, 



GENUS TAPES, 



892 T. tenerrima, Cpr. Puget Sound 25 



893 T. laciniata, Cpr. California. 



894 T. staminea, Conr. " 



895 T. " var. diversa, " 



896 T. " var. orbella, " 



897 T. " var.ruderata, " 



898 T. " var. Petitii, " 



20 



25 

 20 



25 



2<; 



10 



40 

 20 



20 



115 



15 



20 



20 



15 



15 



15 



15 



15 



15 



15 



15 



T regard T grata, as only a Southern form of T staminea. 



906 



907 



908 

 909 



910 



911 



912 



913 

 914 



915 



916 



917 



9IS 



919 



920 

 921 



922 



923 

 924 



925 



926 



927 



928 



929 



93f' 

 931 



932 



933 



C. 

 C. 

 C. 

 C. 

 C. 



FAMILY CYRICNID^. 



GENUS CYRENA, 



Caroliuensis, Conr. Florida... 

 Floridana, Lam. 



FAMILY CARDIID^. 



GENUS CARDIUM. 



magnuui, Born, Florida 



isocardia, Linn. " 



muricatuin, Linn. "' 



corbis, Mont. California 



qnadragenrsium.Conr. California .. 



Subgetius Liocardiutn. 



elatum, Sby. California 



serratuin, Linn. Florida 



Mortonii, Conr. Florida 



var. substriatum, Conr.Cal 



FAMILY CIIAMID^. 



GKNUS CHAMA. 



arcinella, Linn. Florida 



macrophylla, Chem. " 



pellucida, Sby. California 



" var. spinosa, Sby. Cal.... 



" var. exogyra, Conr. " ... 



FAMILY LUCINID^. 



GENUS LUCINA. 



Jamaicensis, vSpeng. Florida 



antillarium, Rave. " 



strigilla, Stimpson. " 



lintea, Conr. " 



squamosa. Lam. " 



crenulata, Lam. " 



pecten, Lam. " 



I'ennsylvanica, Linn. " 



Californica, Conr. California 



Nuttalli, Conr. " 



Subgenus Codakia. 

 tigeriua, Linn, Florida 



Subgenus Loripes. 

 Floridana, Conr. Florida 



15 



15 



25 

 25 

 25 

 25 



50 



I 00 

 10 



25 

 15 



10 



15 

 15 

 20 



15 

 20 



20 



ID 



25 



20 

 10 



934 

 935 



936 !• 



937 



938 



939 

 940 



941 

 942 



T. 

 L. 



K 

 K 



S. 

 S. 



FAMILY DIPLODONTID.€. 



GENUS DIPI.ODONTA. 



orbella, Gld. California 



candeana, D'Orb. Florida 



Subgenus Felania. 



sericata, Rve. Lower California 



FAMILY ERYCINID.'E. 

 GENUS MONTACUTA . 

 Subgenus TeUimya. 



tuuiida. Cpr. California 



GENUS t-V.SSEA. 



rubra, Mont. California 



l.ENUS KEl.IJA. 



Laperousii, Desh. California 



suborbicularis, Mont. '" ... 



FAMILY S0LF:MYID.E. 



GENUS SOLEMYA. 



occidentalis, Desh, Florida 



voloulus, Cpr. Lower Cal 



25 



IS 



25 

 25 



59 



20 

 15 



25 

 24 



